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Article Abstract
Background: Dystonia and Parkinson's disease (PD) show clinical and genetic overlap, but the relevance of dystonia gene variants in PD remains unclear.
Objective: To assess the frequency of dystonia-linked pathogenic variants in PD.
Methods: We screened sequencing data from 15,738 individuals (7,851 PD, 4,287 atypical parkinsonism, and 3,600 unaffected) from GP2 and AMP-PD for variants in genes linked to isolated dystonia, dystonia-parkinsonism, and myoclonus-dystonia.
Results: Pathogenic variants were only identified in PD patients. Forty-five PD individuals (0.57%) carried 26 distinct (likely) pathogenic variants in nine dystonia-linked genes, most frequently in , followed by .
Conclusion: Though rare, pathogenic variants in dystonia-linked genes are present in clinically and pathologically diagnosed PD. Our results reinforce as a PD-relevant gene with clinical implications, while variants identified in other genes are rare and of sometimes uncertain relation to the PD phenotype.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12265777 | PMC |
| http://dx.doi.org/10.1101/2025.07.10.25330831 | DOI Listing |
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